ZHANG Qiu-ying,LI Yan-sheng,LI Yan-hua,et al.Influence of Late Sowing on Root,Dry Matter Accumulation and Fresh Yield in Vegetable Soybean[J].Soybean Science,2009,28(04):623-627.[doi:10.11861/j.issn.1000-9841.2009.04.0623]
晚播对菜用大豆根系、干物质积累及鲜食产量的影响
- Title:
- Influence of Late Sowing on Root,Dry Matter Accumulation and Fresh Yield in Vegetable Soybean
- 文章编号:
- 1000-9841(2009)04-0623-05
- Keywords:
- Sowing date; Dry matter; Fresh yield; Vegetable soybean
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 播期是大豆高产栽培管理的重要手段。利用正常大豆播种期为对照,研究了三个相对晚播日期对菜用大豆物候期、根系、干物质及鲜食产量的影响。结果表明:晚播明显缩短生育期,播期越晚,播种到出苗的时间越短,整个生育日期越短,晚播能促进营养生长,增加苗期干物质的积累,但显著降低苗期根表面积和减少根长,根冠比下降。晚播也显著增加地上干物质的积累,6月14日播种R6期的干物重最高为:51.1g株-1。适当的晚播可有利于菜用大豆的鲜荚产量形成。6月4日和6月14日播种R6期后10 d鲜荚产量最高,可作为哈尔滨地区的菜用大豆的适宜播期
- Abstract:
- Sowing date is an important approach for soybean high-yielding culture.Influences of three late sowing dates(June 4,2008,June 14,2008 and June 24,2008 with normal sowing date(May 7,2008)as control on soybean phenology,root,dry matter and fresh yield were examined.Late sowing shortens growing period significantly,the later the sowing date,the shorter the duration from sowing to emergence.Late sowing enhances vegetative growth,increases dry matter accumulation,while both root surface area and root length of seedlings are reduced,the ratio of root/shoot is decreased as well.Compared with normal sowing date,late sowing also increases above ground dry matter accumulation,and highest dry matter of 51.1 gplant-1?is obtained at R6 stage with sowing date in June 14,2008.Appropriate late sowing is good for yield formation in vegetable soybean,and June 4 to June 14 is the best sowing time for vegetable soybean in Harbin.
参考文献/References:
[1]Konovsky John.Edamame:the vegetable soybean[M]∥O’Rourke A D.Understanding the Japanese Food and Agrimarket:a multifaceted opportunity.Haworth Press,Binghamton,1994:173-181.
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备注/Memo
基金项目:黑龙江省留学基金项目(LC07C29);哈尔滨留学基金资助项目(2007RFLXN026);中国科学院东北地理与农业生态研究所前沿项目(KZCX3-SW-NA-32)。